Garbage cutting and flushing device



Nov. 1s, 1947.

A. BJORKLUND GARBAGE CUTTING AND FLUSHING DEVICE F'il'ed Nov. 8, 1943 ,ffmI

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YA.. :l S00/ f/ Patented Nov. 18, 1947 UNITED STATES PATENTI OFFICE 2,431,161 GARBAGE CUTTING AND nnsnlNG nnvrcs vArvid Bjorklund, Minneapolis, Minn. l Application November 8., 1943, Serial No. 509,527 3 claims. (cl. 14s-184) My present invention relates to improvements in garbage disposing devices.

The objects of this invention are: first, to disintegrate kitchen or other garbage and convey the same for disposal down the waste pipe of a sink or other outlet to a sewer system; and second, to employ a water supply for reducing the garbage, while it is being disintegrated, to a iluid condition and thereafter ilush the disintegrated garbage.

Other objects of the invention will be apparent from the following description, reference being had to the accompanying drawing.

To the above end, generally stated, the invention consists of the novel devices and combination of devices hereinafter described and defined in the claims. y

In the accompanying drawing, which illustrates the invention, like characters indicate like parts throughout the several views. Referring to the drawing:

Fig. 1 is a plan view of the improved garbage Y disposing device;

Fig. 2 is a view partly in side elevation and partly in vertical section taken on the irregular line 2-2 of Fig. 1; and

Fig. 3 is a view principally in transverse vertical section taken on the line 3 3 of Fig. 2,

The numeral 4 indicates the housing of a water motor, the outer side member 5 of which is displaceable and held in place by means of a plurality of screws 6, only one of which is shown in Fig, 3 by means of broken lines. A rotor 1 is mounted in the housing 4 and provided with a plurality of circumferentially spaced peripheral pockets 8. The water motor shown is fully described and broadly claimed in my application filed October 22, 1943, under Serial No. 507,338, entitled Water motor.

Integral with the housing 4 is a housing 9 for the garbage grinding mechanism. The rotor I is rigidly secured on a shaft I0, one end portion of which is journaledin a hub II on the displaceable side 5 of the housing 4 and its other end portion is journaled in a bearing I2 on the outer side of the housing 9.

Water under pressure is conveyed to the housing 4 in two pipes I3 leading from a city water main or any other suitable source of supply. 'I'hese pipes I3, at their discharge ends, extend into ports I4 in the housing 4 and have screwthreaded engagement with said housing. A nozzle I5 is screwed into each port I4 in advance of the respective pipe I3. 'Ihe nozzles l5 are arranged to direct streams of water into the pockets 8 as they are brought into alignment therewith during the rotation of the rotor 1. In some instances, the device may be provided with a single water supply I3 and nozzle I4.

The grinder includes a spiral blade I6 integral withthe internal wall of the housing l and machined to aiord sharp shearing edges. A rotor grinding member I1 having a spiral blade Il extends axially through the housing 9 within the spiral blade I5. This spiral blade Il is also machined toafford a sharp shearing edge for cooperation with the stationary shearing blade II. The rotary grinding member I1 is integral with a shaft I 9, one end portion of which is journaled in a. removable bearing member 2l in the inner end of the housing 9 and having screw-threaded engagement with said housing. The outer open end of the housing 9 is closed by a removable cap 2| having screw-threaded engagement with said housing. This cap 2| aiords a bearing in which the respective end of the shaft I! is journaled. The size of the opening in the end of the housing 9, normally closed by the cap 2|, is such that the rotary grinding member I1 may be inserted therethrough into the housing 9 or removed therefrom. A nut-like member 22 on the outer face of theA cap 2| affords means by which said cap may be turned with a wrench.

The rotary grinding member I1 is driven from the water motor by means of a worm 23 on the shaft I0 of said motor and a co-operating worm gear 24 on the shaft I9 of the rotary grinding member I1.

Integral with the housing 9 is a hopper 25 through which garbage is fed to the grinder. Guard rods 26 extend transversely through the hopper 25 to prevent a person from getting his fingers hurt by the grinder. Leading from the bottom of the housing 9, at the outer end thereof,

is a screw-threaded discharge nipple 21 `to which a. waste pipe may be attached from conveying part of the waste water and ground garbage to a sewer or other means of disposal. The grinder housing 9 is downwardly and outwardly inclined for the ilow of water and the iluid ground garbage to the discharge nipple 21.

By reference to Fig. 3, it is important to note that there is a communicating passageway 2l between the two housings 4 and 8. The rotor housing 5 has an extension 5 that affords a passageway 5b for the escape of the major portion of the waste water from the rotor '1 through a port 5, the grinder housing 3 and into the discharge nipple 21.

A hand wheel 29 is detachably applied to the l end of the shaft I journaled in the bearing II by 'means of a screw stud 30.

Operation It may be assumed that the rotor 1 is being driven by two :lets of water under pressure directed into the pockets 8, as they are successively brought into alignment therewith and that part of the waste water from the rotor 1 flows therefrom through the passageway 28 and into the housing 9 under the `worm gear 24 and longitudinally through the housing 9 to the discharge nipple 21. This waste water also flows through the spiral channel in the rotary grinder I 1 formed by the shearing blade I8.

During the operation of the grinder, garbage is fed through the hopper 25 thereto, and ground to a pulp and thoroughly mixed with the waste water from the rotor 1. This mixing of the ground garbage with waste water produces a very uid condition thereof so that it will freely now from the grinder and into the discharge nipple 21. In case a hard substance, such as a piece of bone, should be fed to the grinder and interferes with the grinding action thereof, the rotary grinding member I1 may be manually turned by the hand wheel 29 to crush said substance While the invention has been described as a garbage disposing device actuated by a water motor, it is evident that other material may be ground and mixed with the waste water from the motor to produce a uid condition thereof and carried thereby from the grinder.

It will be understood that the invention described is capable of various modications within the scope of the invention herein disclosed and claimed.

What I claim is:

1. A garbage disposal device of the character described comprising, a housing having a rotor chamber provided internally with a xed shearing blade, a garbage disintegrating rotor in said chamber having a peripheral blade cooperating with the xed shearing blade, said chamber having a garbage feed opening positioned at the inner end portion of the rotor and a discharge opening positioned at the outer end portion of the rotor,'

a Water wheel chamber having a water Wheel mounted therein operatively geared to said rotor, apassageway providing water communication between said water wheel chamber and the inner end portion of the rotor, an elongated extension from said water wheel chamber, a DOrt providing water communication between said chamber extension and said rotor chamber at the outer end portion of said rotor adjacent said discharge opening.

-2. A garbage disposal device of the character described comprising, a housing embodying a pair of elongated parallel chambers, one of said chambers being a rotor chamber and the other a water wheel chamber, an internal fixed shearing blade in said rotor chamber, a rotor in said l Number 4 rotor chamber having a garbage disintegrating peripheral blade cooperating with the fixed blade.

a garbage feed opening in said rotor chamber pov sitioned at the inner end portion of the rotor and a garbage discharge opening in said rotor chamber positioned at the outer end portion of the rotor, a water wheel in said water wheel chamber-:operatively connected to said rotor, a passageway providing Water communication between said water wheel chamber and said rotor chamber at the inner end of said rotor and ahead of the feed opening, and a port in the waterrwheel chamber positioned to provide Water communication with the rotor chamber for flushing water to pass from said water wheel chamber to the outer discharge end of said rotor chamber adjacent the discharge opening.

3. A garbage disposal device of the character described comprising, a housing having a rotor chamber provided internally with an integral shearing blade, a garbage disintegrating rotorin said chamber having a peripheral blade cooperating with the integral blade, a garbage feed opening in said chamber at the inner end portion of the rotor and a discharge opening at the outer end portion of the rotor, a water wheel in said housing operatively geared to a driven gear on the inner end of said rotor, means for directing water under pressure into said housing against said Wheel, a passageway providing water communication between said housing and that inner portion of said rotor beyond said driven gear and ahead of said feed opening, an extension from said housing paralleling said rotor chamber, a port in said extension positioned to provide ushing water communication .between the water wheel and the discharge end of the rotor chamber adjacent the discharge opening, and a hand wheel external said housing operatively geared to the rotor for the purpose described.

ARVID BJORKLUND.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Name Date 2,100,200 Mosley Nov. 23, 1937 2,141,662 Ossing Dec. 27, 1938 43,304 Purkss et a1. June 28, 1864 y 1,965,033 Dillon IJuly 3,1934 2,105,759 Stevenson Jan. 18, 1938 1,514,118 Wright Nov. 4, 1924 649,770 Snow May l5, 1900 337,631 Shaw Mar. 9, 1886 1,732,775 Shaver Oct, 22, 1929 1,174,656 Beckwith Mar. 7, 1916 1,583,048 Karpinsky May 4, 1926 272,516 Barner Feb. 20, 1883 988,167 Branneu Mar. 28, 1911 2,044,563 Carter June 16, 1936 2,112,359 Crites Mar. 29, 1938 

